Hill's Text-book on Shades and Shadows, and Perspective 8vo, 2 00 



Jamison's Elements of Mechanical Drawing. (In press.) 



/ones's Machine Design: 



Part I. — Kinematics of Machinery 8vo, 



Part II. — Form, Strength, and Proportions of Parts 8vo, 



MacCord's Elements of Descriptive Geometrj . _ , * Svo, 



Kinematics; or. Practical Mechanism , Svo, 



Mechanical Drawing ,... 4to, 



Velocity Diagrams Svo, 



• Mahan's Descriptive Geometry and Stone-cutting Svo, 



Industrial Drawing. (Thompson.) Svo, 



Reed's Topographical Drawing and Sketching 4to, 



Reid's Course in Mechanical Drawing 8vo» 



Text-book of Mechanical Drawing and Elementary Machine Design. .Svo, 



Robinson's Principles of Mechanism Svo, 



Smith's Manual of Topographical Drawing. (McMillan.) Svo, 



Warren's Elements of Plane and Solid Free-hand Geometrical Drawing. . i2mo. 



Drafting Instruments and Operations i2mo. 



Manual of Elementary Projection Drawing i2mo. 



Manual of Elementary Problems in the Linear Perspective of Form and 1 



Shadow i2mo, 



Plane Problems in Elementary Geometry i2mo. 



Primary Geometry i2mo, 



Elements of Descriptive Geometry, Shadows, and Perspective Svo, 



General Problems of Shades and Shadows Svo, 



Elements of Machine Construction and Drawing Svo, 



Problems. Theorems, and Examples in Descriptive Geometrv Svo, 



Weisbach's Kinematics and the Power of Transmission. (Hermann and 

 Klein.) Svo. 



Whelpley's Practical Instruction in the Art of Letter Engraving i2mo, 



Wilson's Topographic Surveying Svo, 



Free-hand Perspective Svo, 



Free-hand Lettering Svo, 



Woolf's Elementary Course in Descriptive Geometry Large Svo, 



ELECTRICITY AND PHYSICS. 



Anthony and Brackett's Text-book of Physics. (Magie.) , . . .Small Svo, 3 00 



Anthony's Lecture-notes on the Theory of Electrical Measurements i2mo, i 00 



Benjamin's History of Electricity Svo. 3 00 



Voltaic Cell Svo, 3 00 



Classen's Quantitative Chemical Analysis by Electrolysis. (Boltwood.). .Svo, 3 00 



Crehore and Squier's Polarizing Photo-chronograph Svo, 3 00 



Dawson's "Eneineering" and Electric Traction Pocket-book. . i6mOs morocco, 5 00 

 Dolezalek's Theory of the Lead Acciunulator (Storage Battery). (Von 



Ende.) i2mo,~2 50 



Duhem's Thermodynamics and Chemistry. (Burgess.) Svo , 4 00 



Flather's Dvnamometers, and the Meastirement of Power i2mo, 3 00 



Gilbert's De Magnete. (Mottelay.) Svo, 2 50 



Hanchett's Alternating Currents Explained i2mo, i 00 



Bering's Ready Reference Tables (Conversion Factors) i6mo, morocco, 2 50 



Holman's Precision of Measurements Svo, 2 00 



Telescopic Mirror-scale Method, Adjustments, and Tests Large Svo, 75 



Landauer's Spectrum Analysis. (Tingle.) Svo, 3 00 



Le ChateUer's High-temperature Measurements. (Boudouard — Uurgess.)i2mo, 3 00 



Lob's Electrolysis and Electrosynthesis of Organic Compounds. (Lorenz.) i2mo. i 00 



• Lyons's Treatise on Electromagnetic Phenomena. Vols. I. and II. Svo, each. 6 00 



♦ Michie. Elements of Wave Motion Relating to Sound and Light Svo, 4 00 



9 



